VFS - dev_style_asyn()

- dev_style_asyn() tests whether a device is asynchronous - simplifies code and helps readability
2012-02-07 15:41:25 +00:00
parent 35eb88461d
commit 369a12704f
2 changed files with 6 additions and 5 deletions
--- a/include/minix/dmap.h
+++ b/include/minix/dmap.h
@@ -8,6 +8,9 @@ enum dev_style { STYLE_NDEV, STYLE_DEV, STYLE_DEVA, STYLE_TTY, STYLE_CTTY,
 	STYLE_CLONE, STYLE_CLONE_A };
 #define IS_DEV_STYLE(s) (s>=STYLE_NDEV && s<=STYLE_CLONE_A)

+#define dev_style_asyn(devstyle)	((devstyle) == STYLE_DEVA || \
+					(devstyle) == STYLE_CLONE_A)
+
 /*===========================================================================*
 *               	 Major and minor device numbers  		     *
 *===========================================================================*/